Yamaha Clavinova Disk Orchestra Floppy Disks for Yamaha Keyboard Players Disk Orchestra Floppy Disks are compatible with Yamaha Clavinova, PSR 5700, PSR 6000, PSR 6700, PSR 4000, PSR 7000, PSR 8000, PSR 9000 & 9000 Pro, PSR 630 & 730, PSR 640 & 740, PSR 350, 340, 450, 550, 540, PSR 2000, 2100, 1000, 1100, Tyros1
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